| Answer | Crossword Clue |
|---|---|
| OTOE | Certain Siouan speaker |
| OTOE | Siouan-speaker |
| OTOE | Siouan speaker |
| OTO | Siouan speaker |
| OTO | Siouan-speaker |
| OSAGE | Siouan speaker |
| OMAHA | Siouan speaker |
| OTOE | Siouan language speaker |
| OTOE | Speaker of Siouan |
| OTO | Siouan speaker of Oklahoma |
| OTO | Siouan speaker from Oklahoma |
| OTO | Speaker of a Siouan language |
| OTOE | Speaker of a Siouan language |
